Housing for a heart monitor



FIG. 1 is a front perspective view of a housing for a heart monitor showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is rear view thereof.

The broken lines in the drawing views are included for the purpose of illustrating portions of the housing for a heart monitor that form no part of the claimed design. 

The ornamental design for a housing for a heart monitor, as shown and described. 